Mail-Server - Blog

What is DKIM - How to setup DKIM correctly

With DKIM the sending mail server encrypts the e-mails body and headers and appends the encrypted hash to the e-mail header (DKIM-Signature).

What is SPF - How to setup SPF correctly

SPF (Sender Policy Framework) tells the receiving mail server whether the sending mail server is allowed to send e-mails with the domain of the sender email address.